kopia lustrzana https://github.com/majbthrd/pico-debug
71 wiersze
2.3 KiB
C
71 wiersze
2.3 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2021 Peter Lawrence
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "bsp/board.h"
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#include "tusb.h"
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#include <rp2040.h>
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/*
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This is a more streamlined alternative to the current pico-sdk based TinyUSB board support package.
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Sticking to C and avoiding all that C++ yields a much smaller executable.
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*/
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void _usb_clock_setup(void); /* clock initialization routine borrowed from pico-bootrom */
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void board_init(void)
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{
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_usb_clock_setup();
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}
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void irq_set_exclusive_handler(unsigned int num, void *handler) {}
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/* cut out the middleman and map the interrupt directly to the handler */
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void USB_IRQHandler(void)
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{
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dcd_int_handler(0);
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}
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/* map rp2040 USB driver call into CMSIS standard calls */
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void irq_set_enabled(unsigned int num, bool enabled)
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{
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if (enabled)
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NVIC_EnableIRQ(USB_IRQn);
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else
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NVIC_DisableIRQ(USB_IRQn);
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}
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/* provide something basic to handle when the rp2040 USB driver gets upset */
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__NO_RETURN static void bad_happened(void)
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{
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#ifdef DEBUG
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while (1) __BKPT();
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#else
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NVIC_SystemReset();
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#endif
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}
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void panic(const char *fmt, ...) { bad_happened(); }
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void __assert(const char *__expression, const char *__filename, int __line) { bad_happened(); }
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